AT&T 1040 User Manual

6

Getting started

Indicator lights & tones

Green:

• On when the line is in use.
• Flashing slowly when the line is on hold. 
• Flashes quickly when a person has transferred a 

call on that line.

• Flashes quickly when there is an incoming auto 

attendant transferred call on the line.

• Flashes rapidly when there is an incoming call.

Red:
• On when another telephone in the system is using 

the line. 

• Flashes slowly when the line is on hold by 

another telephone in the system.

• On when the

On when the 

Do Not Disturb function is on.

When auto-redial is active:

• Flashes when the telephone is dialing the desired 

number.

• On between dialing attempts.

 

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